User's Manual

DIGITALCONTROLINCORPORATED
DigiTrak Falcon F5
®
Operator's Manual 47
When setting a reference signal, do not hold the trigger unless you are Ball-in-the-Box™ at the FLP. If
you are ahead of the FLP, you could set an incorrect reference that causes a ghost locate line. This
typically happens when the head is shallower than 1 m. In this case, you must reference again at the
FLP.
If you hold the trigger for longer than five seconds, the receiver will enter Max mode, which performs
differently than a normal depth reading.
The depth value given at the FLP is the predicted depth, which is the depth the transmitter is calculated
to be at when it reaches the location beneath the receiver. If the pitch or heading of the transmitter
changes before it reaches the location under the receiver, the predicted depth reading will no longer be
accurate.
Quick receiver self-check
To verify that the signal is balanced through the receiver’s antenna, carefully rotate the
receiver 360° about the center of the display while keeping the receiver level. The
locating ball should stay centered in the box. If it does not, do not continue to use the
receiver and contact DCI Customer Service.
5. With the ball centered in the box, mark the ground directly below the receiver’s display screen as
the FLP.
Finding the Locate Line (LL)
6. Continue walking toward the drill rig or the last known transmitter location. Keep the locating ball on
the vertical crosshair and observe that the signal strength is increasing as you get closer to the
transmitter.
1. Locating ball moving along
vertical crosshair
2. Signal strength higher than
at FLP
Receiver Locate Screen, Moving Toward
LL, FLP Behind
If the signal strength decreases, you may actually have just located the RLP. Position yourself farther
away from the drill and start over at step 2.